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7
.
C
H
E
C
K
I
N
G
7
.
C
H
E
C
K
I
N
G
Test in resistance.
TOOL: Multimeter.
Test the resistance of "LOAD" port. The filter is fault if the resistance of winding
0(short circuit)or∞（open circuit）
6. STEPPER MOTOR
Test in resistance.
TOOL: Multimeter.
Test the resistance of winding. The stepper motor is fault if the resistance of
winding 0(short circuit)or∞（open circuit）.
7-2-3. Check others
1. FUSE
Checking continuity of fuse on PCB ASS'Y.
1) Remove the PCB ASS'Y from the electrical component box. Then pull out the
fuse from the PCB ASS'Y (Fig.1)
2) Check for continuity using a multimeter as shown in Fig.2.
C
O
M
P
O
N
E
N
T
S
C
O
M
P
O
N
E
N
T
S
Fuse
PCB Ass抷
Fig.1
36
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